121 lines
3.3 KiB
Python
121 lines
3.3 KiB
Python
# Copyright 2021 Mycroft AI Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import time
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import typing
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from mycroft.util.log import LOG
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class LedAnimation:
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"""Base class for LED animations"""
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def __init__(self, led_obj):
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self.led_obj = led_obj
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def start(self):
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"""Begin LED animation"""
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pass
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def step(self, context: typing.Dict[str, typing.Any]) -> bool:
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"""Single step of the animation.
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Put time.sleep inside here.
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Arguments:
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context: dict with user-defined values
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Returns:
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True if animation should continue
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"""
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return False
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def stop(self):
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"""End LED animation"""
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pass
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class PulseLedAnimation(LedAnimation):
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def __init__(self, led_obj, pal_obj):
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super().__init__(led_obj)
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self.pal_obj = pal_obj
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self.exit_flag = False
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self.color_tup = self.pal_obj.MYCROFT_GREEN
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self.delay = 0.1
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self.brightness = 100
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self.step_size = 5
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self.tmp_leds = []
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def start(self):
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self.led_obj.fill(self.color_tup)
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self.brightness = 100
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self.led_obj.brightness = self.brightness / 100
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self.led_obj.fill(self.color_tup)
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def step(self, context):
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if (self.brightness + self.step_size) > 100:
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self.brightness = self.brightness - self.step_size
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self.step_size = self.step_size * -1
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elif (self.brightness + self.step_size) < 0:
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self.brightness = self.brightness - self.step_size
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self.step_size = self.step_size * -1
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else:
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self.brightness += self.step_size
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self.led_obj.brightness = self.brightness / 100
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self.led_obj.fill(self.color_tup)
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time.sleep(self.delay)
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return True
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def stop(self):
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self.led_obj.brightness = 1.0
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self.led_obj.fill(self.pal_obj.BLACK)
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class ChaseLedAnimation(LedAnimation):
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def __init__(self, led_obj, background_color, foreground_color):
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super().__init__(led_obj)
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self.bkgnd_col = background_color
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self.fgnd_col = foreground_color
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self.exit_flag = False
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self.color_tup = foreground_color
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self.delay = 0.1
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def start(self):
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self.led_obj.fill(self.fgnd_col)
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def step(self, context):
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fgnd_col = context.get("chase.foreground_color", self.fgnd_col)
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bkgnd_col = context.get("chase.background_color", self.bkgnd_col)
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stop = context.get("chase.stop", False)
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for x in range(0, 10):
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self.led_obj.set_led(x, fgnd_col)
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time.sleep(self.delay)
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self.led_obj.set_led(x, bkgnd_col)
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if stop:
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return False
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return True
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def stop(self):
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self.led_obj.fill(self.led_obj.black)
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